Bottle cap



FIG. 1 is a perspective view of a bottle cap showing my new design;

FIG. 2 is a front side view thereof;

FIG. 3 is a rear side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a top plan view thereof.

The evenly spaced broken lines and the areas within them depict portions of the bottle cap that form no part of the claimed design. 

CLAIM The ornamental design for a bottle cap, as shown and described. 